13945388394987

Names of 13945388394987

• Cardinal: 13945388394987 can be written as Thirteen trillion, nine hundred forty-five billion, three hundred eighty-eight million, three hundred ninety-four thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 1.3945388394987 × 10¹³

Factors of 13945388394987

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 17653

Divisors of 13945388394987

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 17 21 27 49 51 63 81 119 147 153 189 233 243 289 357 441 459 567 699 833 867 1071 1323 1377 1631 1701 2023 2097 2499 2601 3213 3961 3969 4131 4893 6069 6291 7497 7803 9639 11417 11883 11907 14161 14679 17393 18207 18873 22491 23409 27727 28917 34251 35649 42483 44037 52179 54621 56619 67337 67473 70227 83181 102753 106947 121751 127449 132111 156537 163863 194089 202011 202419 249543 295681 308259 320841 365253 382347 396333 469611 471359 491589 582267 606033 748629 852257 887043 924777 962523 1095759 1147041 1408833 1414077 1746801 1818099 2069767 2245887 2556771 2661129 2774331 3287277 3299513 3441123 4052569 4226499 4242231 5026577 5240403 5454297 6209301 6737661 7670313 7983387 9861831 9898539 12157707 12726693 14488369 15079731 15721209 16362891 18627903 23010939 23950161 28367983 29585493 29695617 35186039 36473121 38180079 43465107 45239193 47163627 55883709 68893673 69032817 71850483 85103949 89086851 105558117 109419363 114540237 130395321 135717579 167651127 198575881 206681019 207098451 246302273 255311847 267260553 316674351 328258089 391185963 407152737 482255711 502953381 595727643 620043057 738906819 765935541 801781659 950023053 984774267 1171192441 1173557889 1221458211 1446767133 1787182929 1860129171 2216720457 2297806623 2850069159 3375789977 3513577323 3520673667 4340301399 5361548787 5580387513 6650161371 6893419869 8198347087 8550207477 10127369931 10540731969 13020904197 16084646361 16741162539 19950484113 24595041261 30382109793 31622195907 39062712591 48253939083 57388429609 59851452339 73785123783 91146329379 94866587721 117188137773 172165288827 221355371349 273438988137 284599763163 516495866481 664066114047 820316964411 1549487599443 1992198342141 4648462798329 13945388394987
• Sum of all divisors σ(n): 25925666968656
• Sum of proper divisors (its aliquot sum) s(n): 11980278573669
• 13945388394987 is a deficient number, because the sum of its proper divisors (11980278573669) is less than itself. Its deficiency is 1965109821318

Bases of 13945388394987

• Binary: 11001010111011101001111010111110100111101011₂
• Hexadecimal: 0xCAEE9EBE9EB
• Base-36: 4XYF86VOR

Squares and roots of 13945388394987

• 13945388394987 squared (13945388394987²) is 194473857487038095926730169
• 13945388394987 cubed (13945388394987³) is 2712013475328096765712188173821941262803
• The square root of 13945388394987 is 3734352.4733194375
• The cube root of 13945388394987 is 24070.0432955993

Scales and comparisons

• 13,945,388,394,987 seconds is equal to 443,420 years, 11 weeks, 1 day, 6 hours, 36 minutes, 27 seconds.
• To count from 1 to 13,945,388,394,987 would take you about one million, one hundred eight thousand, five hundred fifty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13945388394987 cubic inches would be around 2005.8 feet tall.

Recreational maths with 13945388394987

• 13945388394987 backwards is 78949388354931
• 13945388394987 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 13945388394987's digits is 81
• More coming soon!